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302121444242 = 22813531522897
BaseRepresentation
bin1000110010101111101…
…01110110001110010010
31001212211100210120011002
410121113311312032102
514422221042203432
6350443115022002
730553564622102
oct4312765661622
91055740716132
10302121444242
11107146751802
124a677a3a902
132264a4b7367
14108a0bb1202
157cd3a5ee62
hex4657d76392

302121444242 has 16 divisors (see below), whose sum is σ = 456083584632. Its totient is φ = 150096629760.

The previous prime is 302121444173. The next prime is 302121444263. The reversal of 302121444242 is 242444121203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 258723805201 + 43397639041 = 508649^2 + 208321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563063 + ... + 959834.

Almost surely, 2302121444242 is an apocalyptic number.

302121444242 is a deficient number, since it is larger than the sum of its proper divisors (153962140390).

302121444242 is a wasteful number, since it uses less digits than its factorization.

302121444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523533.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 302121444242 its reverse (242444121203), we get a palindrome (544565565445).

The spelling of 302121444242 in words is "three hundred two billion, one hundred twenty-one million, four hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 281 353 562 706 99193 198386 1522897 3045794 427934057 537582641 855868114 1075165282 151060722121 302121444242